Vulnerabilities > CVE-2021-3323 - Integer Underflow (Wrap or Wraparound) vulnerability in Zephyrproject Zephyr 2.4.0

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
low complexity
zephyrproject
CWE-191

Summary

Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr. Zephyr versions >= >=2.4.0 contain Integer Underflow (Wrap or Wraparound) (CWE-191). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc

Vulnerable Configurations

Part Description Count
OS
Zephyrproject
4

Common Weakness Enumeration (CWE)